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Title: Ultra-High Gradient Compact S-Band Accelerating Structure

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Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
Report Number(s):
DOE Contract Number:
Resource Type:
Resource Relation:
Journal Name: Conf.Proc.C110328:127-129,2011; Conference: Particle Accelerator, 24th Conference (PAC'11) 28 Mar - 1 Apr 2011, New York, USA
Country of Publication:
United States

Citation Formats

Faillace, L., Agustsson, R., Frigola, P., Murokh, A., /RadiaBeam Tech., Dolgashev, V., /SLAC, Rosenzweig, J., /UCLA, Yakimenko, V., and /Brookhaven. Ultra-High Gradient Compact S-Band Accelerating Structure. United States: N. p., 2016. Web.
Faillace, L., Agustsson, R., Frigola, P., Murokh, A., /RadiaBeam Tech., Dolgashev, V., /SLAC, Rosenzweig, J., /UCLA, Yakimenko, V., & /Brookhaven. Ultra-High Gradient Compact S-Band Accelerating Structure. United States.
Faillace, L., Agustsson, R., Frigola, P., Murokh, A., /RadiaBeam Tech., Dolgashev, V., /SLAC, Rosenzweig, J., /UCLA, Yakimenko, V., and /Brookhaven. 2016. "Ultra-High Gradient Compact S-Band Accelerating Structure". United States. doi:.
title = {Ultra-High Gradient Compact S-Band Accelerating Structure},
author = {Faillace, L. and Agustsson, R. and Frigola, P. and Murokh, A. and /RadiaBeam Tech. and Dolgashev, V. and /SLAC and Rosenzweig, J. and /UCLA and Yakimenko, V. and /Brookhaven},
abstractNote = {},
doi = {},
journal = {Conf.Proc.C110328:127-129,2011},
number = ,
volume = ,
place = {United States},
year = 2016,
month = 8

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  • There is growing demand from the industrial and research communities for high gradient, compact RF accelerating structures. The commonly used S-band SLAC-type structure has an operating gradient of only about 20 MV/m; while much higher operating gradients (up to 70 MV/m) have been recently achieved in X-band, as a consequence of the substantial efforts by the Next Linear Collider (NLC) collaboration to push the performance envelope of RF structures towards higher accelerating gradients. Currently however, high power X-band RF sources are not readily available for industrial applications. Therefore, RadiaBeam Technologies is developing a short, standing wave S-band structure which usesmore » frequency scaled NLC design concepts to achieve up to a 50 MV/m operating gradient at 2856 MHz. The design and prototype commissioning plans are presented.« less
  • During the past five years, there has been a concerted program at SLAC and KEK to develop accelerator structures that meet the high gradient (65 MV/m) performance requirements for the Next Linear Collider (NLC) and Global Linear Collider (GLC) initiatives. The design that resulted is a 60-cm-long, traveling-wave structure with low group velocity and 150 degree per cell phase advance. It has an average iris size that produces an acceptable short-range wakefield, and dipole mode damping and detuning that adequately suppresses the long-range wakefield. More than eight such structures have operated at a 60 Hz repetition rate over 1000 hoursmore » at 65 MV/m with 400 ns long pulses, and have reached breakdown rate levels below the limit for the linear collider. Moreover, the structures are robust in that the rates continue to decrease over time, and if the structures are briefly exposed to air, the rates recover to their low levels within a few days. This paper presents a summary of the results from this program, which effectively ended last August with the selection of ''cold'' technology for an International Linear Collider (ILC).« less